Abstract These are all features of the historian Ehsan Tabari: Reviews on People with demos (Studing history of the masses), Looking structural Phenomena and events, Examine the chain of events To understand the evolution of time, Due to events in other regions of the world And other historical periods, For a better understanding of your desired event, Inference rule of historical phenomena, According to the algebraic and historical development. However, Tabari due to strict adherence to Marxist ideology, ignores many historical facts of Iran And its theoretical approach Imposes on historical phenomena, although he is not believed it. Keywords: Historiography, Ehsan Tabari, Marxism, The Tudeh Party.